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{{Short description|Tools for amateur radio sport}} ...in the sport of contesting; others have seen wider application in amateur radio at large. ...

[[File:NixieFrequencyCounter.jpg|thumb|right|Systron-Donner frequency counter from 1973 with [[Nixie tube]] display]] ...ic component|component]] of one, that is used for measuring [[frequency]]. Frequency counters usually measure the number of cycles of oscillation or pulses per ...

...Integrated circuit|device]] used to [[receiver (radio)|receive]] a [[radio-frequency signal]] and convert [[Digital data|digital]] information transmitted in it Commonly found in [[radio]], [[television]], [[Cable television|Cable]] and [[satellite]] broadcastin ...

...D-348.<ref name="MIL-STD-348">{{cite book |title=RADIO FREQUENCY CONNECTOR INTERFACES FOR MIL-DTL-3643, MIL-DTL-3650, MIL-DTL-3655, MIL-DTL-25516, MIL-PRF-31031, ...

{{about|radio systems for point-to-multipoint communication|the general concept|multicast ...internet service provider]] in [[Rotterdam]]. The station has four radio interfaces each connected to a separate [[sector antenna]], each providing 90 degrees ...

...raphy)|Mechanical]], electric, or [[Infrared Data Association|IR]]/[[Radio frequency|RF]] remote shutter release. * [[AC adapters]] with dummy-battery interfaces for studio or other stationary work ...

...D-348.<ref name="MIL-STD-348">{{cite book |title=RADIO FREQUENCY CONNECTOR INTERFACES FOR MIL-DTL-3643, MIL-DTL-3650, MIL-DTL-3655, MIL-DTL-25516, MIL-PRF-31031, ...

...e interference on neighbouring channels making them unusable, and a single radio may broadcast too strong an oval signal pattern to let nearby cells reuse t GSM combines short packet sizes, [[Frequency-hopping spread spectrum|frequency hopping]], redundancy, power control, digital encoding, and DTX to minimize ...

...reception]] over the [[air interface]] and many other tasks related to the radio network. ...ve several transceivers (TRXs) which allow it to serve several different [[frequency|frequencies]] and different sectors of the cell (in the case of sectorised ...

{{Short description|European radio band for license-free devices}} ...band]], which is currently otherwise reserved for government and [[amateur radio]] operations in the United States and most nations worldwide. ...

...rties for high-frequency analog [[amplifiers]] including low noise [[radio frequency]] (RF) amplifiers that only use a few active devices, while CMOS technology ..., and logic gates on chip. BiCMOS has some advantages in providing digital interfaces. BiCMOS circuits use the characteristics of each type of transistor most ap ...

*EN 50090-5-3 2006 : Radio frequency (defines requirements for the RF physical and data link layer) == Part 6: Interfaces == ...

...usually handles this responsibility, and its PSAP is sometimes called a '''radio room'''. As a division of a [[U.S. state]], counties are generally bound to ...Service|SMS]] messages only require an instant to send, a brief peak in [[radio propagation]] (such as a sudden favourable shift in multipath phase alignme ...

...[ATI Technologies|ATI]] All-In-Wonder series. The card contains a [[tuner (radio)|tuner]] and an [[analog-to-digital converter]] (collectively known as the ...[composite video]] or [[S-Video]]) and many also provide a [[tuner (radio)|radio tuner]]. ...

| long_name = Interfaces for the [[Optical Transport Network]] (OTN)" ...edition of this protocol was approved in 2001.<ref>{{Cite web|title=G.709: Interfaces for the optical transport network|url=https://www.itu.int/rec/T-REC-G.709|u ...

...[[radio propagation|propagation]] used by [[shortwave listening|shortwave radio stations]]. ...wider amateur radio community in December 1998.<ref>The ARRL Handbook for Radio Communications. 84th Ed. (2007):9-13.</ref><ref name=spec>{{cite web |autho ...

Previous generations of the system utilized radio-tracking signals. The system used a hidden, mounted transceiver and a track ==Legacy radio-based system== ...

...]] of [[Amphenol]], the TNC connector has been employed in a wide range of radio and wired applications.<ref>{{cite web|author=E-Base Interactive |url=http: ...

A PAN may be carried over wired interfaces such as [[USB]], but is predominantly carried wirelessly, also called a ''' [[Bluetooth]] uses short-range radio waves. Uses in a WPAN include, for example, Bluetooth devices such as keybo ...

...uency|RF]] [[Broadcasting|broadcasts]] received with an internal [[tuner (radio)|tuner]]. Video monitors are used for displaying [[Computer monitor|compute ...r]]s. Typically simple composite monitors give a picture inferior to other interfaces. ...